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Finding the Fourth Proportional to 567,291.60, 850,937.40 and 379,285.20

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Solution

The fourth proportional to 567,291.60, 850,937.40 and 379,285.20 is: 568,927.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,291.60 : 850,937.40 = 379,285.20 : x
  2. Step 2: Convert to fraction form
    567,291.60/850,937.40 = 379,285.20/x
  3. Step 3: Cross multiply
    567,291.60x = 850,937.40 × 379,285.20
  4. Step 4: Simplify right side
    567,291.60x = 322,747,961,946.48
  5. Step 5: Solve for x
    x = 322,747,961,946.48/567,291.60
  6. Step 6: Final answer
    x = 568,927.80

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.